28647680

素因数分解:

$2^8\times 5^1\times {\mathrm{22381}}^1$

素因数の和:22402

約数の個数: 36

約数和(自身を含む): 68623212

約数和(自身を除く): 39975532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22381, 44762, 89524, 111905, 179048, 223810, 358096, 447620, 716192, 895240, 1432384, 1790480, 2864768, 3580960, 5729536, 7161920, 14323840, 28647680]

約数ペア:

[(1, 28647680), (2, 14323840), (4, 7161920), (5, 5729536), (8, 3580960), (10, 2864768), (16, 1790480), (20, 1432384), (32, 895240), (40, 716192), (64, 447620), (80, 358096), (128, 223810), (160, 179048), (256, 111905), (320, 89524), (640, 44762), (1280, 22381)]